A vulnerability, which was classified as critical, has been found in json-pointer up to 0.6.1. Affected by this issue is the function set of the file index.js. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The attack may be launched remotely. Upgrading to version 0.6.2 is able to address this issue. The patch is identified as 859c9984b6c407fc2d5a0a7e47c7274daa681941. It is recommended to upgrade the affected component.
Organizations should be aware that this vulnerability could expose their systems to significant risks, including unauthorized access and data corruption. The urgency for defenders is moderate, as this vulnerability has a medium CVSS score of 6.3.
The CVSS vector indicates that the attack vector is network-based, with low complexity and low privileges required. Therefore, it is important for organizations to act promptly to mitigate potential threats. Regular updates and patches should be part of a robust security posture.
For those using json-pointer, immediate action is required to upgrade to version 0.6.2 or later to prevent exploitation of this vulnerability.
Vulnerability Details
The vulnerability in json-pointer is classified as CVE-2022-4742, with a critical description indicating that it allows for improper modification of object prototype attributes, also known as 'prototype pollution'. This could lead to serious security issues if left unpatched. The CVSS score from NVD indicates a severity level of critical with a score of 9.8, highlighting the importance of addressing this issue.
Technical Analysis
The root cause of this vulnerability stems from improper control over the modification of object prototype attributes. The attack can occur remotely, making it accessible to potential exploiters. The attack complexity is low, meaning that even attackers with limited skills can exploit this vulnerability.
No user interaction is required to exploit this vulnerability, further increasing its risk profile. The potential impacts include low confidentiality, integrity, and availability impacts, which can lead to unauthorized access and data manipulation within affected systems.
Risk & Impact Analysis
Risk to organizations includes unauthorized modification of object prototypes, potentially leading to broader application vulnerabilities. The blast radius could be significant, affecting any application using the vulnerable version of json-pointer. Organizations should assess their exposure and prioritize patching as part of their security strategy.
The urgency assessment based on the CVSS score suggests that organizations should address this vulnerability in their priority patch cycle to mitigate risks effectively.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected version for this vulnerability is json-pointer up to version 0.6.1. Organizations should upgrade to version 0.6.2 to mitigate the risks associated with this vulnerability.
Mitigation & Remediation
To mitigate this vulnerability, it is critical for organizations to apply the available patch by upgrading to version 0.6.2. If this upgrade is not possible, organizations should consider implementing workarounds such as limiting access to the affected components and monitoring for any unusual behavior.
Additionally, organizations should conduct regular security assessments, including penetration testing to identify and remediate similar vulnerabilities.
Detection Guidance
Organizations should monitor logs for any indications of unauthorized access or changes to object prototypes. Behavioral anomalies such as unexpected changes in application behavior can also be indicative of exploitation attempts. Network signatures that detect abnormal traffic patterns should be established to enhance security.
AppSecure Threat Intelligence Insight
This vulnerability highlights the ongoing risks associated with third-party components in software development. Organizations must remain vigilant and proactive in their security measures to prevent similar vulnerabilities from being exploited. Regular updates and adherence to security best practices are essential.
For further insights and guidance on securing your applications, refer to our resources on vulnerability management programs, best practices in penetration testing, and the importance of security testing in software development.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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